GMAT综合推理题 妙思巧解图表题

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今日练习题为综合推理题，题目如下

The Consumer Price Index (CPI) measures the average prices of goods and

services purchased by consumers. In the United States, the CPI-U calculates the

CPI for all urban consumers.

The CPI-U is calculated based on prices of food, clothing, shelter, fuels,

transportation fares, charges for doctors and dentists' services, drugs, and

other goods and services that people buy for day-to-day living. All taxes

directly associated with the purchase and use of items (such as, in the United

States, sales taxes) are included in the index. An increase in CPI-U by a

certain fractional amount means an increase by that fractional amount in overall

prices within the relevant category.

For analyzing general price trends in the economy, seasonally adjusted prices

are usually preferred over unadjusted prices because adjusting eliminates the

effect of changes that normally occur at the same time and in about the same

magnitude every year—such as price movements resulting from climatic conditions,

production cycles, model changeovers, and holidays.

For each of the following, select Yes if the statement is inferable from the

given information. Otherwise select No.

1. The changes in seasonally adjusted prices for used cars and trucks between

March 2010 and September 2010 were in most cases less in magnitude than the

changes in seasonally adjusted prices of new vehicles for the same period.

2. The seasonally adjusted CPI-U for all items was higher in March 2010 than

in the previous month.

3. The seasonally unadjusted change in the price of new vehicles in August

2010 over the previous month was about the same as the seasonally unadjusted

change in the price of food away from home over the same period.

正确答案：

NO YES NO

解题思路：

第一题：对比Used Cars和New Vehicles这两栏的数据，前者应该是更多的，所以不是less than。选择NO。

第二题：第一栏就是All items，三月数学为正数，说明是增长的，比前一个月更高。所以YES。

第三题：表格中的数据都是Percent，题目却问了价格，而实际表格中并未涉及价格。因此无从判断，所有NO。